Ending the path with an asterisk * will prevent creation of job folders.
Indexers can supply a category inside the NZB which SABnzbd will try to match to the categories defined below. Additionally, you can add terms to "Indexer Categories / Groups" to match more categories. Use commas to separate terms. Wildcards in the terms are supported.
More information can be found on the Wiki.

Relative folders are based on: /data/DOWNLOADS/Complete
Category Priority Processing Script Folder/Path Indexer Categories / Groups